他們的認知能力還不如靈長類。A群3隻猴有4根香蕉，B群10隻猴有6根香蕉，新來的猴兒一看都知道跟哪一群套近乎。

來源: 十具於 2023-09-26 07:27:13 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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